51471210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1871}}^1$

素因数の和:2019

約数の個数: 64

約数和(自身を含む): 142331904

約数和(自身を除く): 90860694

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 131, 210, 262, 393, 655, 786, 917, 1310, 1834, 1871, 1965, 2751, 3742, 3930, 4585, 5502, 5613, 9170, 9355, 11226, 13097, 13755, 18710, 26194, 27510, 28065, 39291, 56130, 65485, 78582, 130970, 196455, 245101, 392910, 490202, 735303, 1225505, 1470606, 1715707, 2451010, 3431414, 3676515, 5147121, 7353030, 8578535, 10294242, 17157070, 25735605, 51471210]

約数ペア:

[(1, 51471210), (2, 25735605), (3, 17157070), (5, 10294242), (6, 8578535), (7, 7353030), (10, 5147121), (14, 3676515), (15, 3431414), (21, 2451010), (30, 1715707), (35, 1470606), (42, 1225505), (70, 735303), (105, 490202), (131, 392910), (210, 245101), (262, 196455), (393, 130970), (655, 78582), (786, 65485), (917, 56130), (1310, 39291), (1834, 28065), (1871, 27510), (1965, 26194), (2751, 18710), (3742, 13755), (3930, 13097), (4585, 11226), (5502, 9355), (5613, 9170)]